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# kVTPixelRotationPropertyKey_FlipHorizontalOrientation

A key that specifies a horizontal flip.

```
let kVTPixelRotationPropertyKey_FlipHorizontalOrientation: CFString
```

## Discussion

Pass a value of <doc://com.apple.documentation/documentation/Swift/true> to apply a horizontal flip after rotation.

The default is <doc://com.apple.documentation/documentation/Swift/false>.

---

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